11. The building blocks of proteins areA. fatty acidsB. amino acidsC. nucleotidesD. carbohydrates12. A biochemist measures the quantity of DNA in cells rising within the laboratory. The amount of DNA in a cell can be discovered to doubleA) between prophase and anaphase in mitosisB) between the G1 and G2 phases of the cell cycleC) in the course of the M part of the cell cycleD) between prophase I and prophase II13. The bond wherein 2 atoms share a number of pairs of electrons is a ______________ bond. A) polar B) hydrogen C) ionic D) covalent14. The power required for photosynthesis is offered by? A) proteins B) daylight C) chlorophyll D) carbohydrates E) lipids15. The time period beneath that features the opposite phrases is A) atom B) molecule C) electron D) component16. A component has 43 protons and 50 neutrons. The atomic quantity of the component is A) 43 B) 50 C) 86 D) 93 E) 10017. The diffusion of water by a selectively permeable membrane known as ______.A) facilitated diffusion B) lively transport C) osmosis D) phagocytosisE) endocytosis18. A canine will get many vitamins from its meals together with amino acids. Which of these could be constructed straight utilizing the amino acids? A) proteins B) carbohydrates C) lipids D) nucleic acids E) glucose19. Most carbohydrates within the human physique are ___________________________. A) used as building blocks for proteins B) used as catalysts for reactions in cells C) consumed as a supply of power D) not simply absorbed into the bloodstream E) not obligatory for normal bodily capabilities20. A scientist eliminated the plasma membranes from micro organism cells in a tradition. She analyzed the cell membranes for particular molecules. Which of these was most likely the commonest sort of molecule current within the micro organism plasma membranes? A) carbohydrate B) nucleic acid C) amino acid D) lipid E) ATP

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